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b0d1beeff2
This commit adds proper MEM_TYPE_ZERO_COPY support for convert_to_xdp_frame. Converting a MEM_TYPE_ZERO_COPY xdp_buff to an xdp_frame is done by transforming the MEM_TYPE_ZERO_COPY buffer into a MEM_TYPE_PAGE_ORDER0 frame. This is costly, and in the future it might make sense to implement a more sophisticated thread-safe alloc/free scheme for MEM_TYPE_ZERO_COPY, so that no allocation and copy is required in the fast-path. Signed-off-by: Björn Töpel <bjorn.topel@intel.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.